These services include map service, map catalog service, map querying service and thematic map service, etc.

服务主要包括：地图服务、地图目录服务、地图查询服务、地质图专题服务等；

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Updating the catalog statistics would provide the optimizer with the most current map to navigate quickly through the terrain.

目录统计信息的更新将为优化器提供最新的地图，以便在整个地形中快速定位。

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In that interaction, the catalog service returns information about the grid, including a complete routing map defining the location of all grid partitions and the associated key space for each.

在这种交互过程中，目录服务会返回关于网格的信息，包括完整的路由图(定义所有网格分区的位置)和各自的相关密钥空间。

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